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CVE-2026-15948

MEDIUM 6.4 CVSS 3.1
Published
August 15, 2026
Last modified
August 20, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The Hydra Booking — Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'first_name' parameter in all versions up to, and including, 1.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with host-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The tfhb_host role required to exploit this vulnerability can be self-assigned by any visitor via the plugin's public Signup shortcode, making this effectively exploitable by unauthenticated users who complete the registration flow.

Affected WordPress components

  • Hydra Booking — Appointment Scheduling & Booking Calendar Plugin · hydra-booking
    Confirmed match Active
    Up to and including 1.2.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • themefic Hydra Booking — Appointment Scheduling & Booking Calendar — Up to and including 1.2.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/hydra-booking/trunk/admin/Controller/HostsController.php#L495
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/hydra-booking/trunk/admin/Controller/HostsController.php#L77
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/hydra-booking/trunk/app/Content/Archive/archive-page-tfhb-host.php#L30
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3632543%40hydra-booking&new=3632543%40hydra-booking
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/8331fe3f-e943-4f4c-887f-761f3e18eb79?source=cve
  • nvd.nist.gov Official NVD record